TOPOGRAPHICAL MAPS Study the extract of the survey of India Map sheet no. 45D/10 (T11 502) and answer the following questions. (a) What is the compass direction of the village Revdar from the village Karaunti? (b) What is the pattern of drainage found in the grid square 0816? (c) Give two map evidences to show that the region has a seasonal rainfall. (d) Calculate the distance in kilometers along the metalled road from village Karaunti to the village Revdar. (e) Mention the verbal scale of the map. (f) What is contour interval?What is the contour interval used in the map? (g) Give the six-figured grid reference of: i) Lined well N.East of village Mitan. ii)A causeway in the South Extreme. (h) What do the white patches in the map indicate? Give reasons for their nature. (i) Mention the highest Triangulation point in the map area with its height and the six-figured reference. (j) Give a four-figured grid reference of a tank found near the village Revdar and village Warka. (k) Identify the relief feature in the form of contour in grid square 0816 and 1110. (l) In which course the Sipu Nadi is flowing? Give two evidences for your answer. ANSWERS (a) North west (b) Radial drainage (c) Broken Ground, Dry streams, Dry tanks, dry river. (d) 9.2cm = 4.6 km (e) 2cm to 1km (f) It is the vertical distance between two successive contour lines.The contour interval is 20m. (g) i) 04 7 10 5 ii) 08 9 08 3 (h) Barren or Arid Land. Because of seasonal rainfall. (i) Δ 413. 08 7 16 0 (j) Tank near revdar – 0413 Tank near Wakra – 0716 (k) Ridge or col/pass/gap/saddle. (l) Middle course. As it has many distributaries and meanders. Study the extract of the survey of India map sheet no. 45D/7 (T16 502) and answer the following questions: (a) Mention the grid square references for the following landforms: (i) A Ridge (ii) A River Island (b) Give the six-figured grid reference of: (i) Surveyed tree 172 (ii) Δ364 (c) Mention two features from the map area indicating seasonal rainfall. (d) What is the direction of Balaram Nadi? On which bank of Balaram Nadi is Bantawada situated? (e) Why do you find limited cultivation in the map area? Give two reasons. (f) What is the scale of the map in RF form? What is scale? (g) Mention two features suggestive of the economic backwardness of the region. (h) Calculate the total area of the map extract. (i) Find out the direct distance between the temple in grid square 9473 and the temple in Moti Bhatmal. (j) What is the drainage pattern in grid square 9577? Give reason for your answer. ANSWERS (a) i) 9574/9876/9977 ii) 9681/9380 (b) i) 99 2 82 4 ii) 95 7 74 8 (c) Broken ground/ dry streams/sanddunes. (d) North West. Left Bank. (e) Presence of sanddunes, broken ground and relief features. (f) 1:50000. It is the ratio between the map distance to corresponding ground distance. (g) i) Less area of cultivable land as most part is covered by sanddunes, broken grounds,etc. ii) Lack of Transportation. (h) Eastings – 91 to 01 = 10km Northings - 73 to 83 = 10km Area = L × B = 10×10 = 100km2 (i) 7.2cm = 3.6km (j) Disappearing stream. Because of the presence of sanddunes. Study the extract of the Survey of India Map sheet no. 45D/10(T09502)and answer the following questions: (a) Identify the landform found exactly between two villages – Lilora and Thal. (b) Mention the height of kaliya dungar in metres. (c) Identify the drainage pattern found in the grid square 0905 and 1606. (d) Mention two types of vegetation found in the map area. (e) Measure the length of the metalled road from the causeway in Parikhera upto causeway nearest to vajna. (f) What is the compass direction of: (i) village Thal from village Dolpura and (ii) dolpura from Fatehpura? (g) Why are some rural settlements compact while some are scattered ? (h) Give the six-figured grid reference of: i. Δ480 ii. A spot height of .443 in Kacholi dungar (i) What do you mean by motorable in dry season? (j) What is the feature found in grid square 1509? How is this feature formed? ANSWERS (a) Ridge. (b) 639m. (c) 0905 – dendritic , 1606 – Radial. (d) Open mixed jungle,Fairly dense mixed jungle,open scrub. (e) 9.2cm = 4.6km (f) (i) Thal from Dolpura – North East (ii) Dolpura from Fatehpura – North west. (g) Availability of water and occupation. (h) (i) 13 7 04 5 (ii)17 9 05 3 (i) The cart track is transportable only during dry season and other time it is flooded by seasonal streams. (j) Broken ground. It is formed due to alternate wet and dry periods. Study the extract of the survey of India Map sheet no. 45D/10(T12502) and answer the following questions: (a) What is contour? Mention the contour interval used in the map. (b) Give two evidences to prove that the map area is dry. (c) Name two types of irrigation methods do you find in the map extract? (d) Calculate the area of the region lies to the south of northings 17 in square km. (e) In which direction is sipu nadi flowing? Give reason for your answer. (f) What do you mean by the following: (i) 20r in grid square 1622. (ii) Brackish in grid 1621. (g) Give the six figured grid reference of the following: (i) A temple near the village Dak. (ii) Surveyed tree 271. (h) Give the compass direction of Bamba village from Gulabganj and Dandhpur. (i) Find the distance between the two villages from the causeway south of Gulabganj and north of Anadra along the road in kms. ANSWERS (a) Contour is an imaginary line joining places having same heights.Contour interval used in map is 20m. (b) Dry river, dry streams, dry tanks, motorable in dry season, causeway. (c) Lined perennial wells and canal. (d) 40 km2 (e) South west. Because of decreasing spot heights. (f) (i) Relative depth of the lined perennial well is 20m. (ii) Salty water in the well is unfit for drinking. (g) (i) 14 7 13 1 (ii) 16 7 13 6 (h) Bamba from gulabganj – south,Bamba from Dandhpur – South east. (i) 10cm = 5km Study the extract of the survey of India Map sheet no. 45D/10(T15502) and answer the following questions: a) Name the two different types of scales shown on thus map extract.Which scale is universally accepted? b) Give the four figured grid reference of police chowki located to the south west of the map. c) Give the six figure grid reference of ∆1327 and Goutam Maharishi Mandir. d) What is the compass direction of Nakki Talao from shri Vashishit Ashram? e) What is the length of the metalled road shown on the SW corner of the map? f) What does the red dotted line in the map indicate? g) What do the following mean: 1) Brackish in 1806 2) Causeway in 1702 h) Name the type of settlement found in ABU and Vajna. i) What type of road connect Abu from Hanumanji ka Mandir? j) Give two reasons in the area depicted by map, experience seasonal rain. k) What should be the two occupations of the people living in Fathepura and Sakara? l) Calculate the area of the map east of Easting 19 to 25 and 02 to 12. m) Excluding Abu, the settlement in the entire region is very thin. Why?Give two reasons. Answer a) Verbal/statement scale- 2cm to 1km Linear / graphical 500m to 1cm. RF scale -1:50000. b) 1503 c) ∆1327-21 7 10 5 Goutham Maharishi mandir- 20 0 07 2 d) North/North-West e) 8.4cm=4.2km f) Footpath- Transportation in Hilly areas. g) 1) Salty water unfit for drinking 2) Raised metalled road over a seasonal stream. h) Abu – Nucleated; Vajna- Dispersed/linear i) Metalled Road. j) Dry stream, Broken Ground, Dry Tanks and White patches. k) Agriculture and Forestry. l) 6×10=60km2. m) Hilly areas, Forest cover. 6. Study the extract of the Survey of India map sheet number 45D/7 Eastings 90-01/ Northings 73-85 a) Give the six figure grid reference for i) Surveyed tree 219 north east of Pirojpura settlement.( Ans : 979756) ii) Triangulated height 364 in the southern part of the map extract( Ans : 957744) b) What is the direction of flow of Banas river? Give one evidence for your answer. Ans : The Banas river flows from north east to the west. The height is greater in the north-east ( 542m) and less in the west ( 167m) . The river always flows from a greater height to a lower one. c) What do you understand by i) 12r in the grid square 9878 (Ans: 12r is the height of a sand dune which is shaded in brown) ii) 180 in the grid square 9182( Ans : 180 is the height of contour linein meters) d) Calculate the area in kilometer of the region between 93 and 99 eastings and 76 and 81 nothings. Ans : Area between 93 and 99 Square covered: 6 squares Side of each square 1X6= 6 kms Area between 76 and 81 Squares covered: 5 squares Side of each squares: 1X5 = 5 kms Total area : 6 X 5 = 30 sqkms e) , i) What is the general direction of settlement Juvol from Arnivada? ( Ans: The general direction of settlement Juvol from Arnivada is South- East to North-West) ii) Give the difference in altitude between the highest point on the map to the altitude of MotiBhatamal? ( Ans : Highest point on the map – 542 m .